ASIN Manager
ASIN Data Management Platform with Batch Uploads, Automated Scraping & Historical Tracking

The Challenge
E-commerce sellers managing large product catalogs on Amazon face a significant challenge: tracking and maintaining accurate data for hundreds or thousands of ASINs is incredibly time-consuming and error-prone.
Manually monitoring product prices, inventory levels, and listing details across a vast catalog requires constant attention. Changes happen frequently—prices fluctuate, competitors update their listings, and Amazon policies evolve. Without automated tracking, sellers miss critical updates that impact their business performance.
The key challenges included:
Data Volume: Managing large ASIN databases with thousands of products, each requiring regular monitoring and updates.
Manual Effort: Without automation, sellers spent countless hours manually checking product data, leading to inefficiencies and human errors.
Historical Insights: No way to track changes over time meant sellers couldn't identify trends, analyze pricing patterns, or understand how their listings evolved.
Data Fragmentation: Product information scattered across spreadsheets and manual records made it impossible to get a unified, accurate view of the catalog.
Scraping Failures: When data retrieval fails, sellers need to know immediately and have the system retry automatically to maintain data accuracy.
The solution needed to handle bulk ASIN uploads, automate periodic data scraping, maintain comprehensive historical records, provide data export capabilities, and scale reliably as the product catalog grows.
Our Solution
We partnered with Mark Danford for 1 year to build ASIN Manager, a comprehensive ASIN data management platform. It was a delightful journey and a great collaboration that empowers e-commerce sellers to efficiently manage their product catalogs. Here's how we approached it:
Batch Upload System
We built a flexible data ingestion system that accommodates various workflows:
CSV Upload: Users can batch upload ASINs via CSV files, enabling quick addition of hundreds or thousands of products at once. The system validates data, handles duplicates, and provides clear feedback on successful imports.
Manual Entry: For smaller additions or quick updates, users can manually add individual ASINs through an intuitive interface.
Data Modification: The platform allows users to modify and append data to existing ASIN records, keeping information current and accurate.
Automated Scraping Engine
The heart of ASIN Manager is its sophisticated scraping infrastructure:
Background Scrapers: Automated scrapers run periodically in the background, fetching updated data for all tracked ASINs without requiring manual intervention.
Intelligent Retry Logic: When scrapes fail—due to rate limiting, network issues, or other factors—the system automatically logs the failure and retries. Users are notified of repeated failures to ensure nothing falls through the cracks.
Scalable Processing: Asynchronous task management ensures scraping jobs run efficiently without impacting platform performance, even with large ASIN databases.
Historical Data Tracking
Comprehensive historical records provide valuable business insights:
Complete History: Every update and scraped data point for each ASIN is preserved, creating a detailed timeline of changes over time.
Trend Analysis: Users can view and analyze historical records to identify pricing trends, track competitor movements, and understand how their listings evolve.
Data Transparency: Full visibility into all changes enables better decision-making and strategic planning.
Brand & ASIN Relationship Management
We built comprehensive organization features:
Brand Categorization: ASINs can be organized by brand, making it easy to manage products across different product lines.
Relationship Tracking: The platform maintains clear relationships between brands and their associated ASINs for organized catalog management.
Customizable Data Exports
Flexible export capabilities put users in control:
On-Demand Downloads: Users can export scraped ASIN data and records anytime, in formats suitable for their workflows.
Custom Reports: Export functionality supports various data views, enabling users to generate reports tailored to their needs.
Technical Stack
Our implementation leverages modern, reliable technologies:
Partnership & Collaboration
Our 1-year partnership with Mark Danford was a delightful journey. We worked closely to understand the specific needs of e-commerce sellers and translated those requirements into a powerful, user-friendly platform. It was a great collaboration, and we hope to work with Mark again in the future.


Comprehensive ASIN management dashboard with batch upload and tracking capabilities


Detailed historical data tracking for trend analysis and decision-making


Brand and ASIN relationship management


Customizable data export functionality
Implementation Highlights
Batch Upload System
Flexible data ingestion supporting CSV batch uploads and manual entry for efficient ASIN management.
Automated Scraping Engine
Background scrapers periodically fetch updated ASIN data with intelligent retry logic for failed scrapes.
Historical Data Tracking
Comprehensive historical records enabling trend analysis and data-driven decision making.
FastAPI Backend
High-performance Python FastAPI backend with PostgreSQL database for efficient API handling and data storage.
Modern React Frontend
Sleek, responsive UI built with React.js, Vite, and Tailwind CSS for optimal user experience.
Sentry Error Monitoring
Real-time issue tracking and debugging with Sentry integration for reliable platform operation.
The Results
How ASIN Manager Works
Batch ASIN Upload: Users upload ASINs via CSV files or manual entry, with the system validating data, handling duplicates, and providing feedback on successful imports.
Automated Data Scraping: Background scrapers run periodically using BeautifulSoup, Selenium, and Playwright to fetch updated product data without manual intervention.
Error Handling & Retry: Failed scrapes are automatically logged and retried, with users notified of repeated failures to ensure data accuracy and reliability.
Historical Record Keeping: Every update and scraped data point is preserved, creating a detailed timeline enabling trend analysis and informed decision-making.
Brand Organization: ASINs are organized by brand relationships, making it easy to manage products across different product lines and categories.
Data Export: Users can export ASIN data and records anytime in customizable formats, enabling flexible reporting and external analysis.
Technologies Used
"Working with Codeaza for the past year has been an absolute pleasure. They took our vision for ASIN Manager and turned it into a powerful, reliable platform that has transformed how we manage our Amazon catalog. The batch upload feature saves us hours every week, and the automated scraping ensures we never miss important changes. The historical tracking has given us insights we never had before. It was a delightful journey and a great collaboration. Codeaza truly understood our needs and delivered beyond expectations. Looking forward to working with them again in the future."
Mark Danford
CEO, ASIN Manager
Key Metrics
1
Year Partnership
Batch
CSV Upload
Auto
Scraping
History
Data Tracking
FastAPI
Backend
React
Frontend
Fly.io
Deployment
Sentry
Monitoring
Delightful partnership with Mark Danford
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